text: from jnpr.junos import Device
  
  jdev = Device(user='jeremy', host='vsrx_cyan', password='jeremy1')
  jdev.open()
  
  inv = jdev.rpc.get_chassis_inventory()
  print "model: %s" % inv.find('chassis/description').text
  print "serial-number: %s" % inv.find('chassis/serial-number').text
  
  # model: JUNOSV-FIREFLY
  # serial-number: cf2eaceba2b7
  
  jdev.close()
  